More about the rest of the cast: second lead Ryu Soo Young (Lawyers of Korea) will play the role of Nam Jung Woo, a professor at the University which Kim attends and has feelings for the latter, although a one-sided one. The last character involved in this love charade will be played by Park Ye Jin, a cold-hearted career woman who also happens to be a former girlfriend of Ryu’s character. She will fight for Song’s character to no end.